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1 /* ------------------------------------------------------------------------- */
2 /* i2c-algo-ite.h i2c driver algorithms for ITE IIC adapters */
3 /* ------------------------------------------------------------------------- */
4 /* Copyright (C) 1995-97 Simon G. Vogl
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
20 /* ------------------------------------------------------------------------- */
22 /* With some changes from Kyösti Mälkki <kmalkki@cc.hut.fi> and even
23 Frodo Looijaard <frodol@dds.nl> */
25 /* Modifications by MontaVista Software, 2001
26 Changes made to support the ITE IIC peripheral */
29 #ifndef I2C_ALGO_ITE_H
30 #define I2C_ALGO_ITE_H 1
32 #include <linux/types.h>
34 /* Example of a sequential read request:
35 struct i2c_iic_msg s_msg;
37 s_msg.addr=device_address;
40 s_msg.waddr=word_address;
41 ioctl(file,I2C_SREAD, &s_msg);
43 #define I2C_SREAD 0x780 /* SREAD ioctl command */
46 __u16 addr
; /* device address */
47 __u16 waddr
; /* word address */
48 short len
; /* msg length */
49 char *buf
; /* pointer to msg data */
55 struct i2c_algo_iic_data
{
56 void *data
; /* private data for lolevel routines */
57 void (*setiic
) (void *data
, int ctl
, int val
);
58 int (*getiic
) (void *data
, int ctl
);
59 int (*getown
) (void *data
);
60 int (*getclock
) (void *data
);
61 void (*waitforpin
) (void);
69 int i2c_iic_add_bus(struct i2c_adapter
*);
70 int i2c_iic_del_bus(struct i2c_adapter
*);
71 #endif /* __KERNEL__ */
72 #endif /* I2C_ALGO_ITE_H */